Answer
The aggregation pipeline processes documents through stages such as $match, $group, $project, and $lookup for analytics and transformations.
Quick Answer
The aggregation pipeline processes documents through a series of stages to transform and analyze data. Common stages: $match (filter), $group (aggregate by field), $sort, $project (reshape), $lookup (join), $unwind (flatten arrays), $limit, $skip. Each stage passes its output to the next. More powerful than find() for analytics and data transformation.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
Want to bookmark, take notes, or join discussions?
Sign in to access all features and personalize your learning experience.
Source: SugharaIQ